the new gsr 18v-45 with carbonless motor, maximum torque of 45 nm and a no-load speed of 1,900 rpm for all standard applications: robust 13 mm metal chuck for very good torque transmission very good maneuverability: light weight, very short head (only 159 mm) and belt clip for easy transport ampshare: the batteries and chargers are fully compatible with the bosch professional 18v system and many other tools from the ampshare multi-brand alliance. delivered with: gsr 18v-45